Est. Budget: $1,000.00
Get a PIC18LF45K50 (or PIC18F45K50). Connect it to a PAN1323 module. Achieve 4096 Bytes per second data transmission in Bluetooth 3.0 (not BLE), using the HID profile in sniff mode. You transmit to an android and iphone with a small test app to verify throughput. The entire circuit must consume less than 5mA. I offer 500$ for the android version and an additional 500$ if you can make it work with an iphone. And 100$ extra bonus for current ...